I Don't Know What is a masterclass in modern, synthetic minimalism. It doesn't open with a heavy cloud of complex ingredients; instead, it begins with a crisp, sheer burst of bergamot that feels like...
Enthusiasts frequently treat this as a "utility" fragrance, effectively using it as a primer to extend the longevity of shorter-lived perfumes or to add "lift" and "vibrancy" to flatter scents.
While marketed as a layerer, there is a strong consensus that it excels as a standalone "skin scent," drawing comparisons to the "you-but-better" aesthetic of fragrances like Light Blue or Missing Person.
The performance is a point of frequent praise; despite its sheer and airy composition, the community notes that it possesses surprisingly robust longevity and sillage, often outlasting the fragrances it is meant to enhance.
It is widely regarded as one of the most versatile options in the D.S. & Durga lineup, suitable for professional environments, casual leisure, and hot summer days when heavier scents become cloying.